Why Iran-Saudi Tensions Aren't Affecting Oil Prices04:26

In this April 15, 2008 photo, Iranian oil technician Majid Afshari makes his way at the oil separator facilities in Azadegan oil field, near Ahvaz, Iran. Iran is OPEC's second-largest producer. (Vahid Salemi/AP)

Oil prices rose briefly yesterday after Saudi Arabia, which is Sunni, executed a prominent Shiite cleric over the weekend, setting off a diplomatic row with Shiite Iran. But then oil prices fell, with brent crude finishing down by a little under a quarter of a percentage point Monday.

This kind of tension has pushed up oil prices in the past. Why isn't that happening now? Here & Now's Robin Young asks Ali Velshi, host of "Real Money with Ali Velshi" on Al Jazeera America.